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Conical Screw blender / Nauta Mixer

   
 
 

Vertical Screw Blenders are excellent design alternatives for product applications that are shear sensitive, voluminous and also where space on the plant floor is at a minimum.

 
Nauta mixers are widely used for mixing dry materials, paste, cream and lotions. The principle of blending is based on the differential travel speeds of product particles in the conical section of the vessel. The material from the bottom section of vessel is lifted by the screw and spread over the upper sections.
 
Design Highlights
  • The screw agitator turning on its axis produces a lifting action as it spirals the material in an upward flow
  • At the same time the screw orbits the tank , the screw removes material away from wall and deflects it into the centre of the tank setting up a spiral current throught the batch
  • The material lifted by the screw gravitates downwards thoroughly intermixing with material being spiralled upward.
  • This results in most intimate intermingling of all ingredients

Applications
Dry powder, resin, urea, paste, cream , drug
   

 

Technical Specification

Model No.

Total volume

( Ltrs)

Working Capacity (Litres)

Screw (RPM)

Swing Arm , (RPM)

Screw (HP)

Swing arm (HP)

 

 

 

 

NM-500

500

300

 60

 1.5

 3

 1

NM-1000

900

30

 60

 1.5

 5

 1

NM-2000

1800

60

 60

 1.5

 7.5

 1.5

NM-4000

3500

120

 60

 1.5

 10

 1.5

NM-7000

5500

300

 60

 0.8

 10

 1.5


 

 

Advantages
 
When compared to horizontal blenders this design has several advantages
The blending action of the slow turning screw is far gentler than that taking place within the horizontal blenders. Since the active blending volume at any given time is a lot lesser than the horizontal blenders, it results in a lower power requirement. The large handling capacity coupled with low power requirement makes it one of most effective and efficient Blender within the family.
 
 

 

 

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